*
{
	margin: 0;
	padding: 0;
	box-sizing: border-box;
}
body 
{
	
	align-items: center;
	min-height: 100vh;
	background-image: linear-gradient(to left, #3e9597, #214c52);
}
ul 
{	flex-direction: column;
	position: relative;
	display: flex;
	justify-content: center;
	border-radius: 10px;
	box-shadow: 0 5px 25px rgba(0,0,0,0.25);
	width: 100px;
	height: 100%;
}
ul li 
{
	list-style: none;
}
ul li a 
{
	position: relative;
	color: #fff;
	text-decoration: none;
	display: inline-block;
	padding: 20px 30px;
	z-index: 1000;
	backdrop-filter: blur(15px);
}
ul li a ion-icon 
{
	font-size: 2.5em;
	pointer-events: none;
	opacity: 0.25;
	transition: 0.25s;
}
ul li.active a ion-icon
{
	opacity: 1;
}
#marker 
{
	position: absolute;
	top: 0px;
	transition: 0.5s;
	z-index: 1;
}
#marker::before 
{
	content: '';
	position: absolute;
	top: 20px;
	right: 10px;
	transform: translateX(50%);
	width: 50px;
	height: 40px;
	border-radius: 8px;
}
ul li:nth-child(1).active ~ #marker::before  
{
	background: #5da6ff;
	box-shadow: 0 0 15px #5da6ff,
	0 0 30px #5da6ff,
	0 0 45px #5da6ff,
	0 0 60px #5da6ff;
}
ul li:nth-child(2).active ~ #marker::before  
{
	background: #ff0;
	box-shadow: 0 0 15px #ff0,
	0 0 30px #ff0,
	0 0 45px #ff0,
	0 0 60px #ff0;
}
ul li:nth-child(3).active ~ #marker::before  
{
	background: #0f0;
	box-shadow: 0 0 15px #0f0,
	0 0 30px #0f0,
	0 0 45px #0f0,
	0 0 60px #0f0;
}
ul li:nth-child(4).active ~ #marker::before  
{
	background: #df2fff;
	box-shadow: 0 0 15px #df2fff,
	0 0 30px #df2fff,
	0 0 45px #df2fff,
	0 0 60px #df2fff;
}
#cal {
	background-color: rgb(0, 57, 65,.3);
	backdrop-filter:blur(50px);
	color: rgb(219, 219, 219);
	position:absolute;
	z-index: 11;
	font-weight:bold;
	font-size:150%;
	width: 900px;
	height: 290px;
	margin: auto;
	top: 0;
	left: 0;
	right: 0;
	bottom: 0;
	overflow: hidden;
	box-shadow: 0 5px 25px rgba(0,0,0,0.25);
	border-radius: 8px;
}
.H {
	padding:20px;
	width: 100%;
	background-color: rgb(0, 57, 65,.3);
	display: flex;
	font-size: 3.25em;
	font-weight: 600;
	color: rgb(242, 242, 242);
	line-height: 1.2em;
	position: absolute;
	justify-content: center;
	top: 20px;
	box-shadow: 0 5px 25px rgba(0,0,0,0.25);
	border-radius: 8px;
	text-align: center;
}